#include #ifdef LOCAL #include #else #define debug(...) void(0) #endif using namespace std; typedef long long ll; #define all(x) begin(x), end(x) constexpr int INF = (1 << 30) - 1; constexpr long long IINF = (1LL << 60) - 1; constexpr int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1}; template istream& operator>>(istream& is, vector& v) { for (auto& x : v) is >> x; return is; } template ostream& operator<<(ostream& os, const vector& v) { auto sep = ""; for (const auto& x : v) os << exchange(sep, " ") << x; return os; } template bool chmin(T& x, U&& y) { return y < x and (x = forward(y), true); } template bool chmax(T& x, U&& y) { return x < y and (x = forward(y), true); } template void mkuni(vector& v) { sort(begin(v), end(v)); v.erase(unique(begin(v), end(v)), end(v)); } template int lwb(const vector& v, const T& x) { return lower_bound(begin(v), end(v), x) - begin(v); } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n; ll l, r; cin >> n >> l >> r; vector A(n); cin >> A; sort(all(A)); int ans = 1; for (int i = 0; i < n; i++) { for (int j = i + 1; j < n; j++) { ll prod = A[i] * A[j]; if (l <= prod and prod <= r) ans = 2; } } for (int i = 0; i < n; i++) { for (int j = i + 1; j < n; j++) { bool ok = true; for (int k : {i, j - 1}) { ll prod = A[k] * A[j]; if (not(l <= prod and prod <= r)) ok = false; } if (ok) chmax(ans, j - i + 1); else break; } } cout << ans << '\n'; return 0; }